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判断数据的现象(递增、减小、稳定、无序)
阅读量:690 次
发布时间:2019-03-17

本文共 682 字,大约阅读时间需要 2 分钟。

在嵌入式行业很多数据需要知道是增大、减小、稳定还是无序,下面程序就是数据现象:

/***********2:稳定、1:递增、0:无序、-1:递减*******/#include
#define LIGHT_DATA_COUNT_MAX 7typedef enum{ LIGHT_DATA_DECREASE=-1, LIGHT_DATA_DISORDER=0, LIGHT_DATA_INCREASE, LIGHT_DATA_STABLE, LIGHT_DATA_MAX} LIGHT_DATA_ENUM;static int ordered(int *pdat, int len){ int t = 0,order = 0; if(len == 1) return 2; t = (pdat[0]
pdat[1])+2*(pdat[0]==pdat[1]); order = ordered(pdat + 1,len - 1); if(t*order == 0 || t*order == -1) return 0; if(t > order) t = order; return t;}int main (void){ int glare_data[LIGHT_DATA_COUNT_MAX] = {30,26,19,19,17,15,13}; int t = ordered(glare_data,LIGHT_DATA_COUNT_MAX); printf("t = %d\n",t); return 0;}

 

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